{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72497", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.937Z", "datePublished": "2026-08-15T05:57:30.386Z", "dateUpdated": "2026-08-17T05:44:58.837Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:44:58.837Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Add a max slot check for SQ\n\nThe variable WQE mode must be validated against\nthe maximum slots supported by HW. The max supported\nvalue is 64K. Adding a max and min check and fail if user\nsupplied value is more than the max supported and zero."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The flaw is reached only via local RDMA uverbs ioctl/write on /dev/infiniband/uverbs* (IB_USER_VERBS_CMD_CREATE_QP \u2192 bnxt_re_create_qp \u2192 bnxt_re_init_qp_attr); remote RoCE peers cannot supply the bnxt_re_qp_req.sq_slots field.\nAC:L - On bnxt_re hardware with variable WQE enabled, an attacker deterministically sets sq_slots to 0 or any value above 65536 in create_qp driver udata; no race, timing window, or uncontrollable memory layout is required beyond opening uverbs and issuing the ioctl.\nPR:L - Exploitation requires only local access to the world-accessible (mode 0666) uverbs character device to alloc a VAR_WQE ucontext and create a QP; no CAP_SYS_ADMIN, init-namespace root, or other elevated capability is needed on typical HPC/cloud RDMA hosts.\nUI:N - The attacker triggers the bug entirely through their own alloc_context/create_qp sequence with crafted sq_slots; no cooperative action by another user, administrator, or victim is required.\nS:C - On Kubernetes/HPC hosts that expose bnxt_re to unprivileged RDMA workloads or containers, corrupting host-kernel memory or NIC DMA state from a tenant create_qp escapes the workload security boundary to the hypervisor/host authority.\nC:H - Unvalidated sq_slots drives integer overflow in SQ/PSN byte sizing and can register undersized ib_umem while programming firmware with a far larger sq_size, enabling out-of-bounds DMA reads and kernel memory disclosure beyond the mapped queue buffer.\nI:H - Oversized sq_slots values program hardware queue depth beyond the registered user buffer and corrupt queue/PSN metadata sizing, yielding out-of-bounds writes and exploitable memory corruption rather than a benign error return.\nA:H - Invalid zero or >64K slot counts can kernel-oops during QP setup (e.g., inconsistent HWQ/PSN allocation) and misprogrammed queue depths can panic or hang the host when the adapter accesses nonexistent queue memory."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c", "drivers/infiniband/hw/bnxt_re/qplib_sp.h"], "versions": [{"version": "d8ea645d6984c84a87032063a0941f15a323831f", "lessThan": "a59d815cbe667929b693b5fa6716a074e6a31c5b", "status": "affected", "versionType": "git"}, {"version": "d8ea645d6984c84a87032063a0941f15a323831f", "lessThan": "dc95931b7e1326dacae547874bf38c092e5960d8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c", "drivers/infiniband/hw/bnxt_re/qplib_sp.h"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a59d815cbe667929b693b5fa6716a074e6a31c5b"}, {"url": "https://git.kernel.org/stable/c/dc95931b7e1326dacae547874bf38c092e5960d8"}], "title": "RDMA/bnxt_re: Add a max slot check for SQ", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c", "drivers/infiniband/hw/bnxt_re/qplib_sp.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a59d815cbe667929b693b5fa6716a074e6a31c5b", "status": "affected", "version": "d8ea645d6984c84a87032063a0941f15a323831f", "versionType": "git"}, {"lessThan": "dc95931b7e1326dacae547874bf38c092e5960d8", "status": "affected", "version": "d8ea645d6984c84a87032063a0941f15a323831f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/bnxt_re/ib_verbs.c", "drivers/infiniband/hw/bnxt_re/qplib_sp.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.12"}, {"lessThan": "6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Add a max slot check for SQ\n\nThe variable WQE mode must be validated against\nthe maximum slots supported by HW. The max supported\nvalue is 64K. Adding a max and min check and fail if user\nsupplied value is more than the max supported and zero."}], "id": "CVE-2026-72497", "lastModified": "2026-08-17T06:19:18.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-08-15T06:22:24.037", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a59d815cbe667929b693b5fa6716a074e6a31c5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc95931b7e1326dacae547874bf38c092e5960d8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8ea645d6984c84a87032063a0941f15a323831f,a59d815cbe667929b693b5fa6716a074e6a31c5b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8ea645d6984c84a87032063a0941f15a323831f,dc95931b7e1326dacae547874bf38c092e5960d8)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T17:15:03.022163+00:00", "updated": "2026-08-17T15:15:04.349807+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20"]}